It’s 1841 and Josiah Mister is on trial in Shrewsbury for attempted murder – committed at the Angel Inn in Ludlow. The victim was William Mackreth, a trader from Bristol who was in the town for the summer fair. In the early hours of the morning, he was brutally attacked by someone who’d been hiding under his bed. He managed to fight him off and his assailant escaped; a trail of blood led to Josiah’s room and he was arrested. But did …